Methanol Electronic G1 Grade
CH₃OH · CAS 67-56-1
G1 methanol for TFT-LCD array cleaning, photoresist co-solvent in mature node lithography (365nm I-line, 436nm G-line), and general display fab use. Controlled metal and residue specs ensure clean photoresist films and contamination-free array surfaces.
Molecular Weight
32.04 g/mol
Boiling Point
64.7 °C
Density
0.791 g/mL
Molecular Formula
Available Grades
Analytical Specification
Analytical Specification Table
All values represent maximum allowable limits unless noted ≥. A lot-specific Certificate of Analysis (CoA) with ICP-MS, LPC, and GC data is issued for every shipment. Full data packages available on request.
| Parameter | Test Method | Unit | G1 |
|---|---|---|---|
| Assay (GC) | GC-FID | % | ≥99.0 |
| Water Content (KF) | Karl Fischer | ppm | ≤1000 |
| Total Metals | ICP-OES | ppb ea. | ≤50 |
| Acetone | GC-FID | ppm | ≤100 |
| Residue on Evap. | Gravimetric | ppm | ≤10 |
★ G5 = SEMI C1 Tier D (6N grade). All metal values by ICP-MS. Particle counts by in-line LPC during ISO Class 3 fill. CoA available on request.
Grade Comparison
G1 → G5 Purity Scale
Select the grade that matches your process node and contamination budget. Every grade is available from PureTech with full lot CoA and ICP-MS data.
All grades tested by ICP-MS (28 elements), in-line LPC (ISO Class 3 fill), and Karl Fischer titration. G5 = SEMI C1 Tier D. Full CoA per lot. Request CoA template →
Application Areas
Where Methanol Electronic G1 Grade Is Used
Semiconductor Process
- TFT-LCD array photoresist formulation co-solvent
- I-line / G-line lithography (365–436nm)
- Display glass substrate organic clean
- Flat panel display (FPD) array cleaning
Laboratory & Analytical
- General HPLC mobile phase (low-demand methods)
- extraction solvent
Industrial & Other
- Biodiesel production
- paint & lacquer dilution
Battery & Energy Storage
Packaging & Supply
Available Container Formats
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